package com.company.section4;

/**
 * @author cbf4Life cbf4life@126.com
 * I'm glad to share my knowledge with you all.
 */
public abstract class Product {
    //甭管是什么产品它总要是能被生产出来
    public abstract void beProducted();

    //生产出来的东西，一定要销售出去，否则亏本呀
    public abstract void beSelled();
}

